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  • MPEC 2011-W12 : 2011 WM2

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    M.P.E.C. 2011-W12                                Issued 2011 Nov. 18, 17:33 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2011 WM2
    
    Observations:
         K11W02M* C2011 11 17.18921 01 04 18.04 -10 14 47.1          18.5 VrEW012703
         K11W02M  C2011 11 17.19488 01 04 18.15 -10 14 14.2          18.4 VrEW012703
         K11W02M  C2011 11 17.20051 01 04 18.15 -10 13 40.7          18.6 VrEW012703
         K11W02M  C2011 11 17.20618 01 04 18.33 -10 13 07.8          18.5 VrEW012703
         K11W02M  C2011 11 17.22370 01 04 18.39 -10 11 26.1          18.4 RoEW012H01
         K11W02M  C2011 11 17.22997 01 04 18.48 -10 10 49.5          18.6 RoEW012H01
         K11W02M KC2011 11 17.23246101 04 18.16 -10 10 36.4          18.1 RuEW012H36
         K11W02M  C2011 11 17.23701 01 04 18.69 -10 10 07.2          18.6 VrEW012703
         K11W02M  C2011 11 17.23763 01 04 18.59 -10 10 04.5          18.5 RoEW012H01
         K11W02M |C2011 11 17.23765 01 04 17.41 -10 09 21.4          19.2 VoEW012807
         K11W02M KC2011 11 17.23796701 04 18.27 -10 10 04.7          18.6 RuEW012H36
         K11W02M |C2011 11 17.23948 01 04 17.46 -10 09 10.6          18.9 VoEW012807
         K11W02M KC2011 11 17.24032901 04 18.32 -10 09 50.3          18.2 RuEW012H36
         K11W02M |C2011 11 17.24132 01 04 17.48 -10 08 59.4          19.0 VoEW012807
         K11W02M  C2011 11 17.24306 01 04 18.84 -10 09 32.3          18.2 VrEW012703
         K11W02M |C2011 11 17.24319 01 04 17.51 -10 08 48.4          19.0 VoEW012807
         K11W02M |C2011 11 17.24519 01 04 17.57 -10 08 36.7          19.0 VoEW012807
         K11W02M |C2011 11 17.24720 01 04 17.58 -10 08 25.3          18.8 VoEW012807
         K11W02M  C2011 11 17.24798 01 04 18.74 -10 09 03.9          18.4 RoEW012H01
         K11W02M  C2011 11 17.24919 01 04 18.80 -10 08 55.3          18.5 VrEW012703
         K11W02M  C2011 11 17.25538 01 04 18.98 -10 08 19.5          18.4 VrEW012703
         K11W02M mC2011 11 17.27973 01 04 19.37 -10 05 56.8                oEW012291
         K11W02M mC2011 11 17.28056 01 04 19.37 -10 05 51.7                oEW012291
         K11W02M mC2011 11 17.28137 01 04 19.38 -10 05 47.2                oEW012291
         K11W02M KC2011 11 17.80181 01 04 36.22 -09 15 25.2                tEW012204
         K11W02M KC2011 11 17.80933 01 04 36.35 -09 14 41.7                tEW012204
         K11W02M KC2011 11 17.81719 01 04 36.50 -09 13 56.1          18.1 RtEW012204
         K11W02M  C2011 11 17.81752 01 04 36.33 -09 13 55.8                oEW012246
         K11W02M  C2011 11 17.81833 01 04 36.32 -09 13 50.8                oEW012246
         K11W02M  C2011 11 17.81922 01 04 36.31 -09 13 45.8                oEW012246
         K11W02M  C2011 11 17.82007 01 04 36.38 -09 13 40.6                oEW012246
         K11W02M  C2011 11 17.82157 01 04 36.41 -09 13 32.5                oEW012246
         K11W02M  C2011 11 17.82200 01 04 36.39 -09 13 30.4                oEW012246
         K11W02M KC2011 11 17.87074 01 04 37.75 -09 08 45.4          18.9 VuEW012I93
         K11W02M  C2011 11 17.88051 01 04 37.93 -09 07 46.7          19.0 RuEW012586
         K11W02M  C2011 11 17.88125 01 04 37.95 -09 07 42.2          18.8 RuEW012586
         K11W02M KC2011 11 17.88166 01 04 37.96 -09 07 42.6          19.1 VuEW012I93
         K11W02M  C2011 11 17.88199 01 04 37.96 -09 07 38.1          18.8 RuEW012586
         K11W02M  C2011 11 17.88273 01 04 37.96 -09 07 33.5          18.8 RuEW012586
         K11W02M  C2011 11 17.88736 01 04 38.07 -09 07 07.3          18.1 RuEW012586
         K11W02M  C2011 11 17.88775 01 04 38.07 -09 07 05.0          18.1 RuEW012586
         K11W02M  C2011 11 17.88856 01 04 38.10 -09 07 00.4          18.1 RuEW012586
         K11W02M  C2011 11 17.88937 01 04 38.11 -09 06 55.9          18.3 RuEW012586
         K11W02M KC2011 11 17.89257 01 04 38.16 -09 06 39.2          18.7 VuEW012I93
         K11W02M HC2011 11 18.13106 01 04 46.29 -08 43 35.9                oEW012291
         K11W02M HC2011 11 18.13195 01 04 46.30 -08 43 31.0                oEW012291
         K11W02M HC2011 11 18.13281 01 04 46.31 -08 43 25.8                oEW012291
         K11W02M  C2011 11 18.16218 01 04 46.64 -08 40 38.0          18.5 RoEW012H01
         K11W02M  C2011 11 18.17196 01 04 46.82 -08 39 41.8          18.4 RoEW012H01
         K11W02M  C2011 11 18.17586 01 04 46.88 -08 39 19.3          18.6 RoEW012H01
         K11W02M KC2011 11 18.17656101 04 46.20 -08 39 17.6          18.7 VrEW012H21
         K11W02M KC2011 11 18.18108101 04 46.29 -08 38 51.7          18.5 VrEW012H21
         K11W02M  C2011 11 18.18309 01 04 47.00 -08 38 37.8          18.1 RoEW012H01
         K11W02M KC2011 11 18.18589601 04 46.37 -08 38 23.9          18.4 VrEW012H21
         K11W02M KC2011 11 18.18641 01 04 46.26 -08 38 18.9          18.0 RrEW012850
         K11W02M KC2011 11 18.19323 01 04 46.38 -08 37 39.6          18.8 RrEW012850
         K11W02M KC2011 11 18.20003 01 04 46.49 -08 37 00.4          18.6 RrEW012850
         K11W02M KC2011 11 18.20688 01 04 46.63 -08 36 20.7          19.0 RrEW012850
         K11W02M KC2011 11 18.21364 01 04 46.74 -08 35 41.5          18.3 RrEW012850
         K11W02M  C2011 11 18.22750 01 04 47.88 -08 34 20.1          18.6 RcEW012854
         K11W02M  C2011 11 18.23112 01 04 47.94 -08 33 59.5          18.7 RcEW012854
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
        + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Kocer,
        M. Honkova.  Measurer M. Tichy.  1.06-m KLENOT Telescope + CCD.
    291 LPL/Spacewatch II.  Observers T. H. Bressi, R. S. McMillan.  1.8-m f/2.7
        reflector + CCD.
    586 Pic du Midi.  Observers M. Birlan, F. Colas, M. Popescu, A. Nedelcu
        (EURONEAR).  Measurers M. Birlan, M. Popescu.  1.05-m f/10.26 reflector
        + CCD.
    703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
        A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
        0.68-m Schmidt + CCD.
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig, K. C. Hines,
        S. H. Hurst, H. T. Dziminski, L. T. Joy.  0.30-m f/2.6 Schmidt-Cassegrain
        + 765x510 CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov.  0.61-m f/4.0
        astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/5.0 reflector + CCD.
    
    Orbital elements:
    2011 WM2                                                 Earth MOID = 0.1699 AU
    Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
    M 337.34276              (2000.0)            P               Q
    n   0.51059735     Peri.  313.75342     +0.95730548     -0.17372074
    a   1.5503045      Node    57.55104     +0.27210668     +0.81135248
    e   0.2856593      Incl.   15.89090     -0.09759184     +0.55814716
    P   1.93           H   20.2           G   0.15           U   8
    Residuals in seconds of arc
    111117 703  0.2-  0.2+    111117 291  0.0   0.1-    111117 586  0.5+  0.8+
    111117 703  0.3+  0.1-    111117 291  0.1-  0.2+    111117 I93  0.2+  0.3-
    111117 703  0.9-  0.4+    111117 291  0.2-  0.1-    111118 291  0.0   0.2-
    111117 703  0.7+  0.1+    111117 204  0.2+  0.6-    111118 291  0.1-  0.4-
    111117 H01  0.1-  0.0     111117 204  0.1+  0.6-    111118 291  0.2-  0.1-
    111117 H01  0.1-  0.2-    111117 204  0.1+  0.5-    111118 H01  0.1-  0.1-
    111117 H36  0.2-  0.2+    111117 246  0.4+  0.9-    111118 H01  0.1+  0.1-
    111117 703  0.3-  0.2+    111117 246  0.0   0.6-    111118 H01  0.1+  0.1-
    111117 H01  0.1-  0.1-    111117 246  0.4-  0.7-    111118 H21  0.0   0.0
    111117 807  0.2+  0.3-    111117 246  0.4+  0.4-    111118 H21  0.1+  0.1-
    111117 H36  0.1+  0.4-    111117 246  0.5+  1.0-    111118 H01  0.0   0.2-
    111117 807  0.4+  0.2-    111117 246  0.0   1.4-    111118 H21  0.1-  0.1-
    111117 H36  0.3+  0.1+    111117 I93  0.1-  0.3-    111118 850  0.2-  0.1-
    111117 807  0.2+  0.1+    111117 586  0.1+  1.3+    111118 850  0.2-  0.2-
    111117 703  0.6+  0.4-    111117 586  0.2+  1.5+    111118 850  0.4-  0.2-
    111117 807  0.0   0.1+    111117 I93  0.1+  0.6-    111118 850  0.3-  0.0
    111117 807  0.3+  0.1+    111117 586  0.2+  1.3+    111118 850  0.5-  0.2+
    111117 807  0.1-  0.3-    111117 586  0.0   1.6+    111118 854  0.0   1.0+
    111117 H01  0.1-  0.2-    111117 586  0.4+  1.0+    111118 854  0.0   0.8+
    111117 703  1.2-  0.7+    111117 586  0.3+  1.1+
    111117 703  0.1+  0.2+    111117 586  0.6+  1.0+
    
    Ephemeris:
    2011 WM2                 a,e,i = 1.55, 0.29, 16                  q = 1.1074
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 10 19    01 13 53.8 -55 26 19   0.2262  1.1100   114.7    54.6    19.2
    ...
    2011 11 03    01 02 52.2 -34 26 08   0.2051  1.1263   126.5    45.1    18.7
    ...
    2011 11 11    01 02 22.3 -20 41 59   0.2092  1.1408   132.0    40.2    18.7
    ...
    2011 11 17    01 04 12.7 -10 32 54   0.2213  1.1541   134.2    37.9    18.8
    2011 11 18    01 04 41.4 -08 55 51   0.2241  1.1564   134.3    37.7    18.8
    2011 11 19    01 05 12.9 -07 20 30   0.2271  1.1589   134.5    37.5    18.8
    ...
    2011 11 25    01 09 20.8 +01 29 41   0.2494  1.1746   134.1    37.1    19.0
    ...
    2011 12 03    01 17 22.4 +11 12 47   0.2893  1.1980   131.7    37.9    19.4
    ...
    2011 12 18    01 39 05.5 +23 46 53   0.3881  1.2484   125.1    40.1    20.2
    
    A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-W12
    

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